A prescription says 'Take 1 tablet by mouth every 6 hours as needed.' How many tablets are needed for a 7-day supply if taken as prescribed?

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Multiple Choice

A prescription says 'Take 1 tablet by mouth every 6 hours as needed.' How many tablets are needed for a 7-day supply if taken as prescribed?

Dosing every 6 hours yields up to four doses in a 24-hour day (24 ÷ 6 = 4). For a seven-day supply, multiply by seven: 4 × 7 = 28 tablets. So 28 tablets cover a week when taken as frequently as allowed by the instruction. The other amounts would imply fewer or more doses per day than the 6-hour schedule.

Dosing every 6 hours yields up to four doses in a 24-hour day (24 ÷ 6 = 4). For a seven-day supply, multiply by seven: 4 × 7 = 28 tablets. So 28 tablets cover a week when taken as frequently as allowed by the instruction. The other amounts would imply fewer or more doses per day than the 6-hour schedule.

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